Technology Sourcebook
www.foodengineeringmag.com/articles/91403-safety-light-curtain

Safety light curtain
October 11, 2013
Available in front and side view models, the Keyence GL-S safety light curtain can be seamlessly installed into equipment with tight dimension restrictions. Three color status indicators allow the curtain’s operational status to be seen from any angle; the indicators can be externally controlled to illuminate green, red or orange to indicate work steps.
Keyence Corporation of America; 888-KEYENCE